Abstract
Amplified pulses from a colliding-pulse mode-locked dye laser at 620 nm and the output of a femtosecond traveling-wave dye cell are mixed in a LiIO3 crystal to generate femtosecond pulses in the wavelength range near 5 μm. As much as 10% of the photons from the traveling-wave laser are converted to stable infrared pulses of less than 400-fs duration, 10-nJ energy, and 8-kHz repetition rate.
© 1991 Optical Society of America
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